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GXO-E31 Datasheet, PDF (1/2 Pages) Golledge Electronics Ltd – 2.5V & 3.3V LV-PECL Oscillator
2.5V & 3.3V LV-PECL Oscillator
2011/65/EU
3.20
±0.10
2.50
±0.10
1.10
(max)
SOLDER PAD LAYOUT
0.60
0.9 0.8
1 23
0.80
654
654
0.70
1.60
1.10 1 2 3
0.70
1.25 1.25
TOP VIEW
PAD CONNECTION
1 Enable / disable
2 Not connected
3 Ground
4 Output 1
5 Output 2
6 Supply
Features
 Complementary LV-PECL output
 RMS phase jitter 0.3ps
 Multiplier-free design
 Enable / disable tristate function
 Designed for high speed data transfer
Example Applications
 Networking - Gigabit ethernet etc
 Storage - SAS, SATA etc
 Telecomms - SONET, SDH etc
 Computing
 Instrumentation
GXO-E31
Specifications
Parameters
Frequency range:
40.0 ~ 60.0MHz (fundamental)
60.0 ~ 160MHz (3rd OT)
160.0 ~ 250MHz (inverted mesa)
Frequency stability*: ±100ppm
±50ppm
±25ppm (<170MHz)
Variant
L
J












Option
Codes
B
A
Operating temperature range:
-10 to +70°C

-40 to +85°C



I
Storage temperature range:
-40 to +85°C


Supply voltage (VDD): +3.3V (±5%)

+2.5V (±5%)

Supply current:
45mA max (40.0~170MHz)


50mA max (>170~250MHz)


Output: Complementary LV-PECL


Test load:
RT = 50Ω


VTT = VDD-2.0V


Logic levels:
‘0’ level = VDD-1.81 ~ VDD-1.62


‘1’ level = VDD-1.025 ~ VDD-0.88


Start up time:
10ms max


Waveform symmetry:
45:55 max @ 50%VP-P


Rise / fall time:
0.4ns max (20 ~ 80%VP-P)


Enable / disable function:
Tristate (control via pad 1)


Output enable / disable time:
10 ms / 200ns max


Stand-by current:
10μA max


Phase jitter RMS:
1ps max (0.3ps typ), 12kHz~20MHz


 Standard.  Optional - Please specify required code(s) when ordering
* Frequency stability is inclusive of calibration @ 25°C, operating temperature range, supply
voltage change and load change.
Ordering Information
Product name + variant + option codes (if any) + frequency
eg: GXO-E31L 156.250MHz 3.3V, ±100ppm -10+70°C
GXO-E31J/BI 125.0MHz 2.5V, ±50ppm -40+85°C
Option code X (eg GXO-E31L/X) denotes a custom spec.
Enable / Disable Function
Input (pad 1*)
Open
‘1’ level (≥0.7VDD)
‘0’ level (≤0.3VDD)
Output 1 (pad 4)
Enabled
Enabled
High Impedance
* Enable / disable function can be on pad 2 on request.
Output 2 (pad 5)
Enabled
Enabled
High Impedance
Tel: +44 1460 256 100
23 May 2014
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com